Color

#81bfdf

#81bfdf
hex#81bfdf
rgbrgb(129, 191, 223)
hslhsl(200, 59%, 69%)
oklchoklch(0.774 0.078 231.6)
Closest name: Dolphin (#86c4da)Relative luminance 0.4726

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#dfa081

#81dfcf · #8191df

#df81bf · #bfdf81

Split-complementary

Open in tool →

#df8191 · #dfcf81

#cf81df · #dfa081 · #91df81

Contrast

#81bfdf as textRatioAAAA largeAAAFix
Aaon white
2.01:1failfailfail
  • AA: use #2b7da6 as the text (4.58:1)
  • AAA: use #205f7e as the text (7:1)
  • AA: or shift the background to #474747 (4.62:1)
  • AAA: or shift the background to #2b2b2b (7.05:1)
Aaon black
10.45:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #81bfdf as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#81bfdf reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #81bfdf
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #81bfdf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/81bfdf-9cb2c4-df4e64-1f232d-e9f1f0?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md